HOA6971-T51

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Optical sensors have been around for many decades and their applications are widespread. One of the most popular types of optical sensors is the slot type photointerrupter, which uses an infrared transmission device that changes an electrical circuit when an object passes between an interrupting and receiving element. The HOA6971-T51 is an example of this type of optical sensor and it can be used for a wide variety of applications.

Features and Specifications

The HOA6971-T51 is a high-performance photointerrupter that features a wide range of features and specifications.

• Package: SOT46
• Body Size: 5.15x3.12x1.45mm
• Voltage: 4.3V-5.5V
• Maximum Output Current: 10mA
• Switching Frequency: 10k cycles/sec to 20kHz cycles/sec
• Rise/Fall Time: 1.4µs/1.8µs
• Control Supply: 2.2V - 5.5V
• Minimum Spot Size: 6mmx6mm
• Compatible Teeth: 16, 24, 32, 64
• Output Voltage: 0V to 2V with hysteresis

The HOA6971-T51 is a cost-effective solution for applications that require reliable, accurate operation with minimal power consumption. This is possible due to its low power consumption of 0.22mA in standby mode and the fact that it has a wide viewing angle of 150°.

Working Principle

The HOA6971-T51 operates on the basic principle of optical interruption. When a target object enters the slot-shaped opening in the HOA6971-T51, an infrared light beam is interrupted, and an output voltage is generated. This output voltage is fed to the output of the HOA6971-T51 and can be read with an appropriate electronic system.

The HOA6971-T51 works by using two components: an emitter element and a detector element. The emitter element projects a narrow beam of infrared light into the slot opening and the detector element receives the infrared light as long as the target object is not present in the slot opening. The output of the detector element is then read by the electronics, indicating that the circuit is in the “dark” state.

When a target object enters the slot opening, the emitter beam is interrupted, and the detector element then sends a signal to the electronics, indicating that the circuit is in the “light” state. This output can be used to control various electronic systems.

Applications

The HOA6971-T51 is suitable for a variety of applications such as banking and retail automation, access control, proximity detection, level sensing, and safety systems. It is also used for automotive applications such as parking sensor systems, airbag systems, and rearview mirror systems. Additionally, it is suitable for industrial automation such as slot type sensors for presence, speed, and count applications such as conveyor systems and material handling.

The HOA6971-T51 is an ideal choice for applications where accuracy and reliability are paramount. With it’s high switching frequency and excellent signal-to-noise ratio, the HOA6971-T51 provides precise object detection in a variety of conditions. Additionally, its small size and low power consumption make it an ideal solution for cost-sensitive and space-limited applications.

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